Campbell CS475, Instruction Manual

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Appendix C. SDI-12 Commands/ Changing Settings
C-7
TABLE C-8. Example for Setting and Getting Power Operation Mode
Initial Command Response
2!
Where,
0—sensor’s address;
2—the new power mode setting
(2 = auto).
00011<cr><If>
Where (from left to right),
0—sensor’s address;
001—the amount of time (in
seconds) that you must wait before
sending another data command;
1—the number of values that will be
placed in the buffer.
Subsequent Command Response
0D0!
Where the first zero is the sensor’s
address.
0+2<cr><If>
Where,
0—sensor’s address;
2—the new power mode setting
(2 = auto).
Initial Command Response
aXGPOM!
Where zero is the sensor address.
This is the get power mode
command.
00011<cr><If>
Where (from left to right),
0—sensor’s address;
001—the amount of time (in
seconds) that you must wait before
sending another data command;
1—the number of values that will be
placed in the buffer.
Subsequent Command Response
0D0!
Where the first zero is the sensor’s
address.
0+2<cr><If>
Where,
0—sensor’s address;
2—the power mode setting
(2 = auto).
C.1.7 Acknowledge Active Command
The Acknowledge Active command is used to check the presence of the sensor
on the bus (see TABLE C-9 ).
TABLE C-9. Acknowledge Active Command
Initial Command Response
a! a<cr><If!>
Only the address is sent back in response.